Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4283976 | Apparatus for precutting metal strip in the manufacture of spiral strip pipes, e.g. ventilation ducts | — | 1981-08-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4283976 | Apparatus for precutting metal strip in the manufacture of spiral strip pipes, e.g. ventilation ducts | — | 1981-08-18 |